Boats and Streams

A person can run a boat in still water with speed of 5 km./hours. If it takes 1 hours to go and returns one place to another by the boat. while the speed of current is 1 km./hours, so how would be far from that place ?

Discussion

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To covers distance from A to B on a boat to go with the stream and distance from Q to P against the stream it takes 4 hours. If the speed of stream is 2 km./hour and speed of boat is 4 km/hour in still water, then what is the distance between P and Q ?

Discussion

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In a river distance between A and B is 45 km. and the speed of the river is 2 km./ hour. In a calm water speed of a sailor is 7 km./hour. If the sailor goes from A to B and come back, then how much time it will take to cover distance ?

Discussion

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A swimmer can swim distance from A to B in the opposite direction of stream in 8 hours and again from B to A in 6 hours. If the speed of stream is 2 km./hour, then what is the speed of swimmer in still water ?

Discussion

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The velocity of a boat in still water is 5 km./hour. If the velocity of stream is 1 km./hour then a sailor takes 75 minutes to go and come back from a location to starting point. How far is the location of the starting point ?

Discussion

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A steamer covers a distance between to ports within 4 hours in the direction of the stream and 5 hours in the opposite side of stream. If the velocity of stream is 2 km./hour, then what is the speed of steamer in stilll water ?

Discussion

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A boat travel a distance in the opposite direction of the stream within 8 hours 48 minutes and 4 hours in the direction of the stream. What is the speed of boat in still water and ratio of stream’s Velocity ?

Discussion

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